Travel through space and time with this astronomy simulation and visualization software. Teach or learn about astronomy, Earth science, and related topics. Our emphasis is on usability, realism, stability, and performance.

Project information

(Some sections of code such as the planetephems library are provided with BSD-like licenses. See the header files for license details. Some images are provided for use with attribution only. See the README file in the root of the source tree for full details.)